Filters
Question type

Study Flashcards

The temperature yesterday was an uncomfortable 98°F.You unwisely chose to play tennis at noon,counting on your body's internal defenses to protect you against heat exhaustion.How did your body respond to this distress?

Correct Answer

verifed

verified

The thermoreceptors sense the temperatur...

View Answer

The pinkish hue of individuals with fair skin is the result of the crimson color of oxygenated hemoglobin (contained in red blood cells)circulating in the dermal capillaries and reflecting through the epidermis.

Correct Answer

verifed

verified

Despite its apparent durability,the dermis is subject to tearing.How might a person know that the dermis has been previously stretched and/or torn?


A) The blood vessels in the dermis rupture and the blood passes through the tissue,causing permanent "black-and-blue marks."
B) The appearance of visible,silvery-white scars is an indication of stretching of the dermis.
C) The stretching causes the tension lines to disappear.
D) There is an episode of acute pain due to the large number of tactile corpuscles.

Correct Answer

verifed

verified

The 68-year-old patient was admitted to the hospital medical floor with a diagnosis of chronic bronchitis.His wife asks the nurse why his skin looks blue.How would you explain cyanosis to the patient and his wife?

Correct Answer

verifed

verified

Cyanosis is a dusky bluish or grayish discoloration of the skin and mucous membranes that occurs with reduced oxygen levels.Without enough oxygen getting to the tissues the skin in Caucasians appears blue due to the color combination of dark maroon blood seen through the yellowish tint of skin.At close inspection of the conjunctiva and palms and soles may also show evidence of cyanosis.

Which statement correctly explains why hair appears the way it does?


A) Kinky hair has flat,ribbonlike hair shafts.
B) Perfectly round hair shafts result in wavy hair.
C) Gray hair is the result of hormonal action altering the chemical composition of melanin.
D) Air bubbles in the hair shaft cause straight hair.

Correct Answer

verifed

verified

When a patient is said to have "third-degree burns," this indicates that the patient has burns that cover approximately one-third or more of the body.

Correct Answer

verifed

verified

Which of the following examples listed below illustrates homeostasis maintained by a negative feedback?


A) Release of sweat by eccrine glands in response to heat.
B) An increase in sebum production in response to androgens (male sex hormones) .
C) Lack of pain in third degree burns due to damage to sensory nerves in the dermis.
D) Excretion of salts within the sweat.

Correct Answer

verifed

verified

A

How are burns commonly classified? Give an example.

Correct Answer

verifed

verified

Burns are classified according to their ...

View Answer

Which layer of skin is LEAST protected by melanin?


A) stratum spinosum
B) stratum granulosum
C) stratum corneum
D) stratum basale

Correct Answer

verifed

verified

Which of the following is a skin sensory receptor for touch?


A) Pacinian corpuscle
B) Ruffini body
C) free nerve ending
D) tactile corpuscle

Correct Answer

verifed

verified

Cells of the stratum spinosum have many interlocking desmosomes that will remain between the cells as they migrate to the stratum corneum.These cell junctions serve the body by ________.


A) preventing ultraviolet light from penetrating the deeper layers of the epidermis
B) allowing secretions like sweat or sebum to pass through
C) preventing mechanical stress or trauma from damaging the epidermis
D) stopping water loss and preventing dehydration

Correct Answer

verifed

verified

Balding men have tried all kinds of remedies,including hair transplants,to restore their lost locks.Explain the cause of male pattern baldness.

Correct Answer

verifed

verified

It appears to be genetically d...

View Answer

A summertime golden bronze tan may not be a tan at all; especially if the skin appears almost metallic bronze,it may be the result of ________ disease.

Correct Answer

verifed

verified

The epidermis consists of five layers of cells,each layer with a distinct role to play in the health,well-being,and functioning of the skin.Which of the following layers is responsible for cell division and replacement?


A) stratum corneum
B) stratum granulosum
C) stratum lucidum
D) stratum basale

Correct Answer

verifed

verified

Regardless of race,all human beings have about the same number of melanocytes.

Correct Answer

verifed

verified

The skin protects,but how does it protect us and from what? Describe how the epidermal dendritic cells and melanocytes protect us.Describe what these cells protect us from.

Correct Answer

verifed

verified

The epidermal dendritic cells act as ant...

View Answer

Eyebrow hairs are always shorter than hairs on your head because ________.


A) eyebrow follicles are only active for a few months
B) hormones in the eyebrow follicle switch the growth off after it has reached a predetermined length
C) they grow much slower
D) the vascular supply of the eyebrow follicle is one-tenth that of the head hair follicle

Correct Answer

verifed

verified

Changes in the color of skin are often an indication of a homeostatic imbalance.Which of the following changes would suggest that a patient is suffering from Addison's disease?


A) The skin takes on a bronze or metallic appearance.
B) Black-and-blue marks become evident for no apparent cause.
C) It is impossible to suggest Addison's disease from an inspection of a person's skin.
D) The skin appears to have an abnormal,yellowish tint.

Correct Answer

verifed

verified

A

A surgeon opens her patient by cutting the integument parallel to the cleavage lines of the dermis (tension lines) .This will result in ________.


A) slowed healing and grater scaring
B) faster healing of the skin and less scaring
C) greater chance of infection
D) less chance for infection

Correct Answer

verifed

verified

Billions of consumer dollars are spent for deodorants and antiperspirants each year.Explain the production of body odors frequently associated with axillary skin.

Correct Answer

verifed

verified

Sweat is mostly an odorless wa...

View Answer

Showing 1 - 20 of 87

Related Exams

Show Answer