The visible spectrum for humans extends between a wavelength of
A) 700 and 1000 nm.
B) 100 and 200 nm.
C) 200 and 400 nm.
D) 2000 and 2500 nm.
E) 400 and 700 nm.
Identify the structure labeled “1.”
Figure 10-1 Skeletal Muscle Fiber
A) mitochondria
B) glycogen
C) ATP
D) myofibril
E) synaptic vesicle
The normal rate and depth of breathing is established by the ________ center(s).
A) apneustic
B) pneumotaxic
C) DRG and VRG
D) expiratory
E) ventral respiratory
The four primary sutures are lambdoid, coronal, sagittal, and
A) lateral.
B) cuboidal.
C) parietal.
D) squamous.
E) frontal.
All of the following are true of a prickling pain sensations except that they
A) are carried by type A fibers.
B) reach the CNS quickly.
C) are interpreted by the pre-frontal cortex.
D) receive conscious attention.
E) often trigger somatic reflexes.
Which of the following is not true regarding the establishment of a neuron’s resting
potential?
A) Chemical and electrical forces both favor sodium ions entering the cell.
B) Electrical forces push sodium ions into the cell.
C) The chemical gradient for potassium ions tends to drive them out of the cell.
D) Ion pumps in the plasma membrane eject sodium ions as fast as they cross the
membrane.
E) Resting membrane permeability to Na+ is very low.
Hormones called ________ are involved in regulation of white blood cell populations.
A) erythropoietin
B) bilirubin
C) thrombopoietin
D) colony-stimulating factors
E) plasmin
The property of heart muscle to contract in the absence of neural or hormonal
stimulation is called
A) intrinsic.
B) extrinsic.
C) automaticity.
D) self-replicating.
E) self-starting.
A ________ is a tender nodule formed around bursae over the base of the great toe.
A) spur
B) blister
C) callus
D) bunion
E) pimple
Which of the following statements about smell is true?
A) Basal cells are the supporting cells for the receptors cells of the olfactory receptor.
B) Olfactory epithelium covers the surface of the maxillary bone.
C) Olfactory glands produce saliva.
D) A high concentration of odorant molecules is required to stimulate olfactory cells.
E) None of the statements are true.
Figure 29-2 Fetus at 10 Weeks
Identify the structure labeled “4.”
A) amnion
B) chorion
C) decidua basalis
D) placenta
E) endometrium
The regulation of blood flow by local mechanisms within a capillary bed is called
A) autoregulation.
B) hormonal regulation.
C) hemoregulation.
D) vasoregulation.
E) neuroregulation.
A person who has difficulty comprehending and using written language suffers from the
disorder known as
A) Parkinsonism.
B) dyslexia.
C) a stroke.
D) Alzheimer’s disease.
E) epilepsy.
In living cells, complex metabolic reactions proceed in a series of steps called
A) maneuvers.
B) degrees.
C) pathways.
D) increments.
E) cascades.
The body’s first tissue response to any injury is
A) fever.
B) inflammation.
C) bleeding.
D) shivering.
E) All the above.
Identify the structure labeled “1.”
Figure 16-1 ANS Pathway
A) somatic motor neuron
B) preganglionic neuron
C) sensory neuron
D) ganglionic neuron
E) astrocyte
The ________ consists of the follicle cells that cling to the oocyte after ovulation.
A) stroma
B) corpus albicans
C) corpus spongiosum
D) zona pellucida
E) corona radiata