The papillary layer of the dermis is connective tissue heavily invested with blood vessels. The superficial surface has structures called:

A) dermal papillae.
B) hair follicles.
C) ceruminous glands.
D) reticular papillae.


A) dermal papillae.

Anatomy & Physiology

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All but which one of the following compounds is an invertebrate phosphogen?

A) Phosphoarginine B) Phosphocreatine C) Phosphoglycocyamine D) Phospholambricine

Anatomy & Physiology

How is alveolar air different than inspired air?

A. Alveolar air has a higher PN2 than inspired air. B. Alveolar air has a lower PCO2 than inspired air. C. Alveolar air has a higher PH2O than inspired air. D. Alveolar air has a higher PO2 than inspired air.

Anatomy & Physiology

The first teeth to appear are the ________ teeth

A) provisional B) transitory C) transitional D) temporary E) deciduous

Anatomy & Physiology

Which of the following statements is correct with respect to the sites of synthesis of B and T cells?

A) In bony fish, B cells are produced in the kidney or spleen. B) In most vertebrates, B cells are produced in body cells, but in different locations of the body. C) Jawless fish produce T cells in the thymus. D) Bony and cartilaginous fish produce T cells in the gill region, referred to as the thymoids.

Anatomy & Physiology