Nociceptors

A) are rare in joint capsules.
B) increase in sensitivity in the presence of a constant stimulus.
C) have large receptive fields.
D) carry fast pain sensations through unmyelinated fibers.
E) are widely distributed in all tissues.


C) have large receptive fields.

Anatomy & Physiology

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A chemical precursor for cortisol is ________, which is made from ________. Cortisol is secreted by ________ when stimulated by ________ from the anterior pituitary.

A. estradiol; cholesterol; adrenal medulla; corticotropin-releasing hormone (CRH) B. progesterone; cholesterol; adrenal cortex; adrenocorticotropic hormone (ACTH) C. testosterone; cholesterol; adrenal medulla; adrenocorticotropic hormone (ACTH) D. androstenedione; progesterone; adrenal cortex; corticotropin-releasing hormone (CRH) E. progesterone; cholesterol; adrenal medulla; adrenocorticotropic hormone (ACTH)

Anatomy & Physiology

A patient is 67 years old and has had a hiatal hernia for three years. In the last year, she has complained of worsening heartburn, especially at night. What are the characteristic symptoms of a hiatal hernia and which of these symptoms did the patient have?

What will be an ideal response?

Anatomy & Physiology

 It is believed that ________ is strongly tied to memory due to its connections with the ________.

A. taste; cingulate gyrus B. taste; limbic system C. olfaction; cingulate gyrus D. olfaction; limbic system

Anatomy & Physiology

What happens immediately after an action potential reaches the presynaptic membrane at a chemical synapse?

A) A calcium influx triggers the release of neurotransmitters. B) Neurotransmitters binds to receptors on the postsynaptic neuron. C) Sodium rushes into the postsynaptic neuron. D) Sodium rushes out of the presynaptic neuron.

Anatomy & Physiology