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The period of gestation when organs and organ systems complete most of their
development and the fetus looks distinctly human is the ________ trimester.
A) first
B) second
C) third
During the postabsorptive state, ________ stimulate(s) lipid catabolism.
A) glucocorticoids
B) androgens
C) insulin
D) glucagon
E) All of the answers are correct.
The ________ artery supplies blood to the face and neck.
A) facial
B) vertebral
C) common carotid
D) external carotid
E) internal carotid
All of the following complement the actions of glucocorticoids in the postabsorptive
state except
A) insulin.
B) growth hormone.
C) glucagon.
D) epinephrine.
Free phagocytes found in the air sacs of the lungs are called
A) alveolar macrophages.
B) histiocytes.
C) Kupffer cells.
D) pleurocytes.
E) microglia.
Which of the following is true regarding the structure labeled "6"?
Figure 15-1 Spinothalamic Tracts
1. The synapse occurs between motor neurons.
2. The sensations may be filtered out.
3. The third-order neuron projects to the primary sensory cortex.
4. The third-order neuron's axon is identified.
A) 1 and 4
B) 2 only
C) 3 only
D) 3 and 4
E) 1 and 3
In each ventricle is a blood vessel network called the ________ that produces
cerebrospinal fluid.
A) choroid plexus
B) jugular vein
C) carotid artery
D) vertebral artery
E) pia mater
The function of the citric acid cycle is to
A) remove hydrogen atoms from organic molecules and transfer them to coenzymes.
B) transfer the acetyl group gained from glycolysis to molecules of pyruvate.
C) hydrolyze glucose in the presence of oxygen to obtain two pyruvate molecules.
D) produce carbon dioxide to balance the oxygen requirement for cellular respiration.
E) produce water.
Cells that spontaneously make action potentials make up ________ tissue.
A) contractile
B) conductive
C) intercalated
D) pacemaker
E) internodal
Which area of the graph shows when voltage-gated sodium channels are open?
Figure 12-2 The Nerve Action Potential
A) 2
B) 4
C) 1
D) 5
E) 3
The direct transfer of heat energy from one object to another through physical contact is
called
A) radiation.
B) conduction.
C) convection.
D) evaporation.
E) transmission.
Stimulation of the neurons in the celiac ganglion would lead to
A) relaxation of the urinary sphincter.
B) increased heart rate.
C) conversion of liver glycogen reserves into glucose.
D) activation of ventral sweat glands.
E) increased gastric motility.
A(n) ________, or closed, fracture does not break the skin.
A) plain
B) internal
C) simple
D) contained
E) common
Arteries that supply the plantar portion of the foot branch from the posterior ________
artery.
A) popliteal
B) femoral
C) calcaneal
D) tibial
E) dorsalis pedis
The vessels that receive blood from the ovaries or testes are the
A) gonadal veins.
B) reproductive veins.
C) inferior vena cavae.
D) pelvic veins.
E) pubic veins.
Identify the muscle labeled "7."
Figure 11-1 Major Anterior Skeletal Muscles
A) supinator
B) brachioradialis
C) brachialis
D) pronator teres
E) palmaris longus
