Identify the structure labeled “6.”
Figure 14-1 The Circulation of Cerebrospinal Fluid
A) choroid plexus
B) fourth ventricle
C) lateral ventricle
D) cerebral aqueduct
E) subarachnoid space
Figure 24-2 The Wall of the Small Intestine
What is the function of the structure labeled “7”?
A) production of sodium bicarbonate
B) production of lipase
C) protection from bacteria
D) production of hydrochloric acid
E) production of pepsinogen
The fulcrum of a lever system is the
A) joint.
B) muscle.
C) bone.
D) resistance.
E) load.
Which of the following statements is true about the pancreas?
A) The pancreas lies over the top of the stomach.
B) The sole function of the pancreas is to produce hormones.
C) The pituitary gland produces stimulating hormones that control the pancreas.
D) The islets contain a variety of different cells producing different hormones.
E) The pancreas stores glucose, which can be released into the blood.
A neural cortex is found on the surface of the
A) cerebrum.
B) pons.
C) thalamus.
D) midbrain.
The process by which the surface of a microorganism is covered with antibodies and
complement, rendering it more likely to be phagocytized, is called
A) opsonization.
B) activation.
C) agglutination.
D) precipitation.
E) neutralization.
The trochlea is located on the
A) tibia.
B) humerus.
C) radius.
D) scapula.
E) femur.
The corpora quadrigemina is composed of the
A) four cerebral lobes.
B) superior and inferior colliculi.
C) first four cranial nerves.
D) the 4th cranial nerve.
E) two superior cerebellar peduncles and the two inferior cerebellar peduncles.
The amount of blood returning to the heart is the
A) afterload.
B) stroke volume.
C) end-diastolic volume.
D) cardiac reserve.
E) venous return.
The resistance to blood flow of the entire cardiovascular system is known as
A) severe combined constriction.
B) vasomotion.
C) vasoconstriction.
D) total peripheral resistance.
E) systemic resistance.
Skin cancer that starts in the mitotically most active epidermal layer is called
A) keratosis.
B) psoriasis.
C) squamous cell carcinoma.
D) melanoma.
E) basal cell carcinoma
The immune system is said to exhibit ________ toward those agents that do not
stimulate an immune response.
A) immunity
B) memory
C) adaptation
D) tolerance
E) versatility
The ________ circuit carries blood from the aorta to the right ventricle.
A) pulmonary
B) systemic
C) oxygen
D) portal
E) body
A muscle producing almost peak tension during rapid cycles of contraction and
relaxation is said to be in
A) incomplete tetanus.
B) complete tetanus.
C) treppe.
D) wave summation.
E) recruitment.