Biology

 

Exam

 

  1. An increase in cholesterol and other lipids may lead to

 

(1pts)

 

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a worse case of atherosclerosis, a hardening of the arteries.

 

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AFib.

 

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arrhythmias, or irregular heart rhythms.

 

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abnormal ECG indicated by lengthened P-waves.

 

2) Ventricular fibrillation

 

(1pts)

 

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can lead to increased cholesterol build-up.

 

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is more dangerous than arrythmia.

 

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is less dangerous than arrythmias.

 

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is truly a heart attack.

 

3) Carbon dioxide is dangerous

 

(1pts)

 

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because it binds to white blood cells inhibiting their passive movement.

 

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because it binds to platelets reducing blood clotting.

 

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because it binds to the carbonyl group more efficiently than oxygen resulting in a decrease in oxygen being brought to the tissues.

 

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because it binds to hemoglobin more efficiently than oxygen resulting in a decrease in oxygen being brought to the tissues.

 

4) Toxemia can be caused by

 

(1pts)

 

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metabolic poisons building up in the body.

 

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thalassemia.

 

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virus particles accumulating in the blood.

 

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chronic myelogenous leukemia.

 

5) When the bronchioles suddenly narrow a person may be

 

(1pts)

 

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suffering from an asthma attack.

 

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suffering from bronchitis.

 

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suffering from emphysema.

 

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suffering from apnea.

 

6) When ciliary activity in the lungs are inhibited due to toxins a person may

 

(1pts)

 

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suffer from bronchitis.

 

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trap less bacteria.

 

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cause circulatory distress.

 

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enhance sleep apnea.

 

7) Diverticulosis often leads to

 

(1pts)

 

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diverticulitis because of the presence of diverticula.

 

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celiac disease.

 

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diverticula because of the presence of diverticulitis.

 

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colorectal instabilility.

 

8) GERD stands for

 

(1pts)

 

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gastroenergy reflux disease.

 

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gastroencephalopy reflux diagnosis.

 

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gastroesophageal reflux disease.

 

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gastroendo repair diagnosis.

 

9) Glomerulonephritis

 

(1pts)

 

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often leads to a polycystic urinary bladder.

 

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always results in decreased blood pressure.

 

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indicates only one specific disease caused by bacteria.

 

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in a general term for several disorders that can lead to kidney failure.

 

10) Kidney stones often contain

 

(1pts)

 

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uric acid and sodium salts.

 

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sodium chloride.

 

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magnesium and iron.

 

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uric acid and calcium salts.

 

11) Walking slowly and taking shuffling steps in addition to ones limbs trembling is indicative of

 

(1pts)

 

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Huntington’s Disease.

 

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Alzheimer’s Disease.

 

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Multiple Sclerosis.

 

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Parkinson’s Disease.

 

12) One of the  most common physical ailments is

 

(1pts)

 

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cold symptoms.

 

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paralysis.

 

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mood disorders.

 

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a headache.

 

13) A lower than normal level of dopamine may be involved in

 

(1pts)

 

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ALS

 

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ADHD

 

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Autism

 

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MS

 

14) Type 1 diabetes

 

(1pts)

 

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occurs in about 1 in 10 diabetics.

 

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occurs in about 9 in 10 diabetics.

 

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occurs in about 75% of patients.

 

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occurs in about 50% of patients.

 

15) An autoimmune response in which the beta cells of the pancreas are destroyed describes

 

(1pts)

 

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metabolic acidosis.

 

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hypoglycemia.

 

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type 2 diabetes.

 

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type 1 diabetes.

 

16) Metabolic acidosis may

 

(1pts)

 

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is a condition often seen in hypoglycemia patients.

 

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harm the heart directly.

 

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harm the central nervous system, specifically the brain.

 

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result in a stroke.

 

17) As bones age in older persons, they

 

(1pts)

 

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become stronger.

 

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have increased calcium deposits.

 

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are more brittle.

 

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are less porous.

 

18) Why do people tend to get shorter as they age?

 

(1pts)

 

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they hunch over due to fatigue

 

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the intervertebral disks deteriorate

 

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their bones become shorter

 

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their muscles become shorter

 

19) By age 50, the basal metabolic rate is ____ what it was in childhood.

 

(1pts)

 

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the same as

 

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double

 

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25-30%

 

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80-85%

 

20) Overgrowth of tissue resulting in an abnormal enlargement is referred to as

 

(1pts)

 

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anaplasia

 

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hypoplasia.

 

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hyperplasia.

 

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aplasia.

 

21) Which of the following terms is most synonymous with “tumor”?

 

(1pts)

 

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neoplasm

 

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oncogene

 

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dysplasia

 

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cancer

 

22) The spread of a cancer from one site to others in the body is known as

 

(1pts)

 

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benign tumor.

 

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benign tumor and malignant tumor.

 

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metastasis.

 

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malignant tumor.

 

23) The transformation of a normal cell into a cancer cell is called

 

(1pts)

 

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cytogenesis.

 

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parthenogenesis.

 

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oncogenesis.

 

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carcinogenesis.

 

24) Why is cancer more prevalent in older individuals?

 

(1pts)

 

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The protective action of cytotoxic T cells breaks down with age.

 

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Cancer cells form at a faster rate.

 

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Cancers learn to disguise themselves as “self” with time.

 

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More mutations develop with age.

 

25) Half of all cancers are caused by

 

(1pts)

 

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environmental factors.

 

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immune suppressing drugs.

 

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viruses.

 

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medications.

 

26) Which of the following cancers is the most common in men?

 

(1pts)

 

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colon

 

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lung

 

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skin

 

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prostate

 

27) A therapy that combines surgery with less toxic doses of chemotherapy is

 

(1pts)

 

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modified chemotherapy.

 

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immunotherapy.

 

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adjuvant therapy.

 

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immunotherapy.

 

28) Which of the following cancers is the most common in women?

 

(1pts)

 

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skin

 

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breast

 

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lung

 

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colon

 

29) Which of the following is NOT a way to reduce cancer risk?

 

(1pts)

 

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avoid tobacco

 

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restrict alcohol intake

 

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maintain desirable weight

 

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begin estrogen replacement therapy after menopause

 

30) How many people in the United States are struck by cancer?

 

(1pts)

 

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three in eight.

 

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five in ten.

 

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one in three.

 

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two in five.

 

 

 

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