Biology

36. Which of the following lists traces the correct path of blood from the
Vena cava to the lungs?
a. Left atrium………. Left ventricle…………..aorta
b. Left atrium………..Left ventricle……..……..pulmonary veins
c. Right atrium………Right ventricle…………….pulmonary arteries
d. Right atrium…….. Left ventricle…………… Aorta
e. Right atrium…….. Right ventricle……….…..pulmonary veins 37. The respiratory surface of most organisms, such as alveoli in humans, must __________
a. Be thin ( one cell layer thick)
b. Be moist
c. Have an extensive surface area
d. Allow diffusion of gasses e. All of the above are true 38. Label the respiratory structures shown in Figure 4 by choosing the CORRECT set of labels.
38. Label the respiratory structures shown in this figure by
choosing the correct set of labels
a.
b.
c.
d.
e. A= pharynx
A= pharynx
A = pharynx
A = larynx
A = larynx B =esophagus
B =larynx
B= trachea
B= bronchus
B = bronchus C =trachea
C= bronchioles
C = bronchus
C = trachea
C = bronchioles 39. (See image below)
39. This test tube has been spun with a centrifuge.
The liquid portion on top labeled A is the
______________ and the dark red portion on the bottom
labeled C are ________________
a. Plasma……………….. erythrocytes
b. Plasma………………….. leukocytes
c. Plasma……………………. Platelets
d. Platelets…………………. Erythrocytes
e. Leukocytes……………. Erythrocytes 40. A blood pressure reading of 150/100 is an indicator of _____________________ and the number
150 is the ___________________ blood pressure.
a. Normal blood pressure………………………… systolic
b. Normal blood pressure……………………….. diastolic
c. High blood pressure……………………………. systolic
d. High blood pressure……………………………..diastolic
e. Low blood pressure……………………………… diastolic 41. What is the human body’s first line of defense against pathogens?
a. Macrophages and inflammation
b. Antibodies
c. Barriers of the skin with its oil and sweat, tears of eyes
d. T lymphocytes
e. B lymphocytes 42. Helper T cells _________________
a. Launch antibody-mediated immunity only
b. Launch cell-mediated immunity only
c. Launch both antibody-mediated and cell mediated immunity
d. Do not help launch either antibody-mediated nor cell-mediated immunity
43. Vaccinations are effective in producing immunity because they stimulate the production of
_________
a. Red blood cells
b. White blood cells
c. Memory cells
d. Helper T cells
e. Phagocytes
44. The disease of rheumatoid arthritis involves a person attacking their own joints resulting in
inflammation and pain. Rheumatoid arthritis is a(n)_____________
a. Type of allergy
b. Infectious disease
c. Immune deficiency disease
d. Autoimmune disease
e. Pulmonary disease
45. The _______________ sends out digestive enzymes to complete digestion and is the location
where most nutrients are absorbed into the bloodstream.
a. Small intestine
b. Large intestine
c. Stomach
d. Rectum e. Esophagus
46. Which of the following is Not a function of the excretory (urinary) system?
a. Elimination of nitrogenous wastes ( ammonia, urea, uric acid)
b. Maintenance of salt balance
c. Help in maintaining acid-base balance
d. Elimination of undigested food
e. Maintenance of water balance 47. Use key below 47. What letter points to the organ where bile is made,
ammonia is converted to urea, and glucose is converted
to glycogen?
a. A
b. B
c. C
d. D
e. E.
48. What letter points to the organ where major water
absorption occurs and formation of feces?
a. A
b. B
c. C
d. D
e. E B
A
C E
D 48. Use above key
49. Which of the following describes the route of urine out of the body after it leaves the kidney?
a. Renal vein…………….…urinary bladder…………………urethra……………..ureter
b. Renal vein……………… ureter……………………………….urinary bladder……………urethra
c. Urethra…………………..urinary bladder………………….ureter
d. Ureter…………………… urinary bladder……………………urethra
e. Urethra…………………..urinary bladder…………………..ureters
50. What is the functional unit of the kidney in which urine is formed?
a. Nephron
b. Alveolus
c. Villi
d. Ganglia
e. Ventricle
51. Which is an incorrect match?
a. Fertilization ———- union of egg and sperm to form a zygote
b. Ovulation ————— release of an egg from a follicle
c. Cleavage —————- repeated division of cells without increase in size
d. Gastrulation ……………. formation of a solid ball of cells
e. Blastulation …………….. formation of a hollow ball of cells 52. (see image below) 52. The name of the organ labeled B is the
____________ of a human female and in a healthy
state has a weakly __________ pH.
a. uterine tube…………………..acid
b. vagina…………………………… basic
c. uterus……………………………. acidic
d. vagina……………………………..acidic
e. uterus…………………………….. basic Z 53. (see image below)
53. The path of sperm in a male from the seminiferous
tubules is ____________________
a. epididymis……………urethra……………vas deferens
b. epididymis…………..vas deferens………. Urethra
c. urethra………………. Vas deferens…………epididymis
d. urethra………………. Epididymis…………..vas deferens
e. vas deferens……….urethra…………………..epididymis 54. Which of the following is an incorrect match?
a.
Testes……………………..testosterone
b.
Ovaries…………………. Estrogen and progesterone
c.
Adrenal glands………..Epinephrine
d.
Pancreas………………… Insulin and glucagon
e.
Thymus………………….. Thyroxine
55. The central nervous system consists of _______________
a.
Cranial nerves
b.
Peripheral nerves
c.
Brain and spinal cord
d. Only the brain
e. Only the spinal cord
56. The dramatic change in voltage across the cell membrane of a neuron that occurs only after a
threshold value is reached is called the __________________.
a. Threshold potential
b. Resting potential
c. Passive potential d. Action potential e. Reaction potential
57. (see image below)
57. The part of the neuron that sends on the
electrochemical signal to another neuron and may
be covered by a myelin sheath is
called_________________
a. dendrite
b. cell body
c. axon
d. nucleus
e. neurotransmitter
58. (see image below) 58. The arrow points to the region of the
brain responsible for _________
a. breathing and digesting
b. coordinating muscle movement and
balance
c. thinking, remembering, sensing, and
control of skeletal muscles
d. functioning of kidneys and heart 59. Which type of neuron is found in the brain and spinal cord?
a. Sensory neuron
b. Interneuron
c. Motor neuron

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