Question 1

Match the types of autonomic receptors, labelled a. through e., with their characteristic(s). (More than one answer may apply.)
-adrenergic receptors found primarily in the heart

Accepted Answer

A) nicotinic receptors 
B) muscarinic receptors 
C) alpha receptors 
D) beta-1 receptors 
E) beta-2 receptors

Question 2

Binding of ACh with receptor sites on the motor end plate opens chemical messenger-gated cation channels in the motor end plate, bringing about depolarization of the motor end plate.

Accepted Answer

A) True 
 B)False

Question 3

Match the divisions, labelled a. through d., with the anatomical and physiological autonomic features. (Options may be used more than once or not at all.)
-decrease exocrine activity of the pancreas

Accepted Answer

A) parasympathetic division 
B) sympathetic division 
C) both parasympathetic and sympathetic divisions 
D) neither parasympathetic nor sympathetic divisions

Question 4

Which statement applies to the fovea

Accepted Answer

A) It contains more rods than cones. 
B) It is the point on the retina at which the optic nerve leaves and blood vessels pass through. 
C) It has fairly high acuity. 
D) It is located in the exact centre of the retina.

Question 5

Match the receptors, labelled a. through c., to their locations. (Options may be used more than once or not at all.)
-taste buds

Accepted Answer

A) chemoreceptors 
B) mechanoreceptors 
C) photoreceptors

Question 6

The terminals of both autonomic nerve fibres and motor neurons end in a single, enlarged knoblike structure that releases neurotransmitter.

Accepted Answer

A) True 
 B)False

Question 7

Match the type of nociceptor, labelled a. through c., with the properties associated with each type of nociceptor. (Options may be used more than once or not at all.)
-transmits its signals via A-delta fibres

Accepted Answer

A) mechanical nociceptor 
B) thermal nociceptor 
C) polymodal nociceptor

Question 8

Which of these neuromodulators is NOT capable of binding to opiate receptors in the analgesic pathways

Accepted Answer

A) dynorphin 
B) endogenous opiate 
C) endorphin 
D) bradykinin

Question 9

The identical nerve pathway conveys information regarding pressure and temperature sensations of the thumb.

Accepted Answer

A) True 
 B)False

Question 10

Which of these situations can activate the slow pain pathway

Accepted Answer

A) stimulation of mechanical or thermal nociceptors 
B) stimulation of polymodal nociceptors 
C) the absence of tissue injury 
D) large and myelinated fibres

Question 11

Which of the following happens during accommodation for near vision

Accepted Answer

A) The ciliary muscle relaxes. 
B) The lens becomes more concave. 
C) The suspensory ligaments become less taut. 
D) The lens is flattened.

Question 12

Sour taste represents a stimuli caused by ________________.

Accepted Answer

A) acids 
B) salts 
C) bases 
D) sugars

Question 13

Visual and hearing receptors are irreplaceable, but taste and olfactory receptors are continuously renewed.

Accepted Answer

A) True 
 B)False

Question 14

Describe the events that occur at a skeletal neuromuscular junction.

Accepted Answer

The answer of Describe the events that occur at a...

Question 15

Describe how sensory adaptation occurs.

Accepted Answer

The answer of Describe how sensory adaptation occurs....

Question 16

Relaxation of the ciliary muscle changes the cornea into a flattened shape.

Accepted Answer

A) True 
 B)False

Question 17

Which statement describes the tympanic membrane

Accepted Answer

A) It vibrates when struck by sound waves. 
B) It contains the organ of Corti. 
C) It produces earwax. 
D) It is connected to the stapes.

Question 18

A concave lens is used to correct for a myopic eye.

Accepted Answer

A) True 
 B)False

Question 19

Match the receptors, labelled a. through d., with their function.
-generates action potentials in afferent neuron by opening messenger-gated channels

Accepted Answer

A) tonic receptor 
B) phasic receptor 
C) specialized receptor ending of afferent neuron 
D) separate cell serving as a receptor

Question 20

Match the rods and cones, labelled a. through c., with their properties. (Options may be used more than once or not at all.)
-contain opsin and retinene

Accepted Answer

A) rods 
B) cones 
C) both rods and cones

Exam 4: The Peripheral Nervous System: Sensory, Autonomic, Somatic

Match the types of autonomic receptors, labelled a. through e., with their characteristic(s) . (More than one answer may apply.) -adrenergic receptors found primarily in the heart

Binding of ACh with receptor sites on the motor end plate opens chemical messenger-gated cation channels in the motor end plate, bringing about depolarization of the motor end plate.

Match the divisions, labelled a. through d., with the anatomical and physiological autonomic features. (Options may be used more than once or not at all.) -decrease exocrine activity of the pancreas

Which statement applies to the fovea

Match the receptors, labelled a. through c., to their locations. (Options may be used more than once or not at all.) -taste buds

The terminals of both autonomic nerve fibres and motor neurons end in a single, enlarged knoblike structure that releases neurotransmitter.

Match the type of nociceptor, labelled a. through c., with the properties associated with each type of nociceptor. (Options may be used more than once or not at all.) -transmits its signals via A-delta fibres

Which of these neuromodulators is NOT capable of binding to opiate receptors in the analgesic pathways

The identical nerve pathway conveys information regarding pressure and temperature sensations of the thumb.

Which of these situations can activate the slow pain pathway

Which of the following happens during accommodation for near vision

Sour taste represents a stimuli caused by ________________.

Visual and hearing receptors are irreplaceable, but taste and olfactory receptors are continuously renewed.

Describe the events that occur at a skeletal neuromuscular junction.

Describe how sensory adaptation occurs.

Relaxation of the ciliary muscle changes the cornea into a flattened shape.

Which statement describes the tympanic membrane

A concave lens is used to correct for a myopic eye.

Match the receptors, labelled a. through d., with their function. -generates action potentials in afferent neuron by opening messenger-gated channels

Match the rods and cones, labelled a. through c., with their properties. (Options may be used more than once or not at all.) -contain opsin and retinene