Which of the following is most likely to cause disease?
A) Irritability
B) Homeostasis
C) Positive feedback
D) Equilibrium
E) Negative feedback
(
Question 2) Where is the primary olfactory cortex located?
A) Parietal lobe
B) Temporal lobe
C) Occipital lobe
D) Insula
E) Frontal lobe
(
Question 3) Which of these is not found in the karyotype of a normal human male?
A) 92 DNA molecules
B) 46 chromosomes
C) 46 chromatids
D) 23 pairs of homologous chromosomes
E) X and Y chromosomes
(
Question 4) When a woman is giving birth, the head of the baby pushes against her cervix and stimulates the release of the hormone oxytocin. Oxytocin travels in the blood and stimulates the uterus to contract.
Labor contractions become more and more intense until the baby is expelled. This is an example of ________.
A) integration control
B) set point adjustment
C) positive feedback
D) dynamic equilibrium
E) negative feedback
(
Question 5) In a herniated disc, the ring of fibrocartilage called the ________ ruptures and the ________ oozes out.
A) nucleus pulposus; lamina
B) lamina; nucleus pulposus
C) nucleus pulposus; anulus fibrosus
D) anulus fibrosus; nucleus pulposus
E) anulus fibrosus; body
(
Question 6) In people who stand for long periods, blood tends to pool in the lower limbs and this may result in varicose veins. What causes the varicose veins?
A) An aneurysm or weak point in a vein
B) An aneurysm or weak point in an artery
C) Failure of the venous valves
D) Failure of the lymphatic valves
E) A ruptured aneurysm in a vein
(
Question 7) A myelin sheath is composed primarily of ________.
A) polysaccharides
B) lipids
C) glycoproteins
D) carbohydrates
E) proteins
(
Question 8) Which cells form myelin in the spinal cord?
A) Microglia
B) Oligodendrocytes
C) Schwann cells
D) Satellite cells
E) Astrocytes
(
Question 9) What do pheromones stimulate?
A) Supporting cells
B) Olfactory cells
C) Olfactory glands
D) Taste cells
E) Hair cells
(
Question 10) A karyotype shows the ________ chromosomes sorted and isolated from a cell in ________.
A) 23; interphase
B) 46; S phase
C) 46; prophase
D) 23; metaphase
E) 46; metaphase
Quick Reply
