What is NOT a function of cerumen?

A) Cerumen enhances sound transmission into the ear canal.
B) Cerumen sweeps debris from the external auditory canal.
C) Cerumen waterproofs and lubricates the external auditory canal.
D) Cerumen traps debris before it reaches the tympanic membrane.


Answer: A

Anatomy & Physiology

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What is the correct path of an electrical excitation from the pacemaker to a cardiocyte in the left ventricle (LV)?

A. Sinoatrial (SA) node > atrioventricular (AV) bundle > atrioventricular (AV) node > Purkinje fibers > cardiocyte in LV B. Atrioventricular (AV) node > Purkinje fibers > atrioventricular (AV) bundle > sinoatrial (SA) node > cardiocyte in LV C. Atrioventricular (AV) node > sinoatrial (SA) node > atrioventricular (AV) bundle > Purkinje fibers > cardiocyte in LV D. Sinoatrial (SA) node > atrioventricular (AV) node > atrioventricular (AV) bundle > Purkinje fibers > cardiocyte in LV E. Sinoatrial (SA) node > atrioventricular (AV) node > Purkinje fibers > atrioventricular (AV) bundle > cardiocyte in LV

Anatomy & Physiology

The ____________________ space contains CSF, which is reabsorbed back into the blood via fingerlike projections called ____________________

Fill in the blank(s) with correct word

Anatomy & Physiology

Which of the following does not have MHC proteins in its plasma membrane?

a. liver cells b. lymphocytes c. erythrocytes d. skin cells e. virus-infected cells

Anatomy & Physiology

Match the mesentery or membrane with its appropriate description.A. Mesentery of the small intestineB. Serous membrane that covers organsC. Attaches the liver to the diaphragmD. Connects lesser curvature of stomach to the liverE. Mesentery of the colonMesentery proper

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology