The cell of the retina that produces an action potential that goes to the brain is a(n)
A) bipolar cell.
B) photoreceptor.
C) ganglion cell.
D) amacrine cell.
E) horizontal cell.
Circular folds are
A) ridges in the wall of the stomach.
B) pleats in the lining of the small intestine.
C) fingerlike projections on the surface of the mucosa of the small intestine.
D) sacculations in the colon.
E) abnormal structures formed by excessive pressure in the small intestine.
Which cerebral area is involved with judgment and predictive abilities?
A) Broca’s area
B) Brodmann area
C) prefrontal cortex
D) Wernicke’s area
E) general interpretive area
The action of thyroid hormone on a target cell involves all the following steps except
A) binding to a hormone receptor in the plasma membrane.
B) transport into the target cell.
C) binding to a cytoplasmic receptor protein.
D) activation of a specific gene.
E) activation of a G protein.
________ carry sensory information to the CNS.
A) Motor neurons
B) Efferent neurons
C) Multipolar neurons
D) Afferent neurons
E) Interneurons
The blood vessel that carries blood to the arm and shoulder is the ________ artery.
A) axillary
B) subclavian
C) brachial
D) acromial
E) brachiocephalic
Figure 20-2 Cardiac Cycle
What volume is labeled “E” on the graph?
A) cardiac output
B) stroke volume
C) end-diastolic volume
D) end-systolic volume
E) total cardiac volume
Growth hormone does all of the following except
A) promote bone growth.
B) promote muscle growth.
C) speed up metabolism.
D) spare glucose.
E) promote amino acid uptake by cells.
________ provide information about the external environment.
A) Spinal nerves
B) Anaxonic neurons
C) Internoceptors
D) Exteroceptors
E) Proprioceptors
What process is shown at #6?
Figure 6-2 Endochondral Ossification
A) primary ossification
B) secondary ossification
C) length growth
D) width growth
E) fracture repair
Figure 29-2 Fetus at 10 Weeks
Identify the structure labeled “3.”
A) umbilical cord
B) placenta
C) decidua basalis
D) decidua capsularis
E) yolk sac
A(n) ________ is a pure substance composed of atoms of only one kind.
A) element
B) molecule
C) ion
D) isotope
E) compound
The main purpose of the citric acid cycle is to
A) produce Acetyl CoA so that the citric acid cycle can continue.
B) produce proteins for energy storage.
C) phosphorylate glucose molecules.
D) supply hydrogen atoms to the Electron Transport System.
E) produce citric acid to make vitamin C in the mitochondria.
The volume of air moved in a single respiratory cycle is called
A) alveolar minute volume.
B) vital capacity.
C) respiratory volume.
D) tidal volume.
E) lung volume.
Scar tissue is the result of
A) large numbers of collagen fibers and relatively few blood vessels in the injured area.
B) increased numbers of keratinocytes in the epidermal layers in the area of the injury.
C) a thickened stratum basale in the area of the injury.
D) increased numbers of fibroblasts in the reticular layer of the injured area.
E) a lack of sebaceous glands in the injured area.
The attraction or repulsion of certain cells to chemicals in their environment is called
A) polarity.
B) diapedesis.
C) cytotoxicity.
D) infection.
E) chemotaxis.
The sense of proprioception passes along the ________ pathway.
A) rubriocerebellar
B) corticospinal
C) spinocerebellar
D) decussation pathways
E) ganglion
Use of the accessory respiratory muscles is characteristic of forced breathing, or
A) hyperpnea.
B) eupnea.
C) dyspnea.
D) hypoxia.
E) apnea.
________ sensations inform us of the position of the head in space by monitoring
gravity, linear acceleration, and rotation.
A) Nociceptor
B) Proprioceptor
C) Olfactory
D) Gustatory
E) Vestibular
Oxygen is added to blood as it flows through the ________ circuit.
A) pulmonary
B) systemic
C) oxygen
D) portal
E) body