A&P II

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Why is filtration a passive process?

It is driven by blood pressure.

What is the purpose of the vitreous humor?

Pushes the retina against the choroid

The labeled structure is the __________.

adrenal medulla

What is NOT the function of the highlighted structure?

allowing a certain amount of light to enter the eye

Which structure is highlighted?

auricle

Which extraembryonic membrane forms the embryonic part of the placenta?

chorion

Identify the highlighted structure.

glossopharyngeal nerve

Which structure is highlighted?

glossopharyngeal nerve (IX)

Which structure is highlighted?

hair (stereocili)

Identify the highlighted structure.

hypothalamus

Identify the highlighted structure.

lateral horn

The preganglionic cell bodies associated with the highlighted structure are located in the ________ of the spinal cord.

lateral horn

Which structure is highlighted?

lateral rectus muscle

During which process is exposure to teratogens most devastating for the development of the embryo's organs?

organogenesis

The following has been determined from an arterial blood gas (ABG) sample: elevated arterial PCO2 level and a low blood pH. Determine the acid-base imbalance.

respiratory acidosis

Which space is highlighted?

scala tympani

What is the most abundant extracellular cation?

sodium ion

Identify the highlighted structure.

sympathetic trunk ganglia

Which structure is highlighted?

sympathetic trunk ganglia

What is the neonatal period?

the first four weeks of life

Which of the following conditions is most likely to result in a urine sample with a specific gravity of 1.005?

Adequate hydration

The kidneys __________________.

All these choices are correct.

What activates the intrinsic/contact activation pathway of coagulation?

Factor XII contacts exposed collagen fibers.

CO2 + H2O ↔ H2CO3 ↔ __________

H+ + HCO3−

Which antibodies are found in colostrum?

IgA

How would drugs such as ACE (angiotensin-converting enzyme) inhibitors affect the response of dehydration?

Response to dehydration begins with angiotensin-II so inhibiting it will hinder the body's ability to respond properly when dehydrated.

Identify the structure labeled "i."

Retina

Which structure(s) is(are) part of the inner neural layer?

Retina

Which cranial nerve does not innervate the extrinsic eye muscles?

Facial

Receptors within the highlighted structure provide the sense of ___.

Hearing

What structure forms the boundary between the anterior and posterior chambers?

Iris

Which of the following ECG components represents a lack of electrical activity?

Isoelectric line

What role does the highlighted structure play in the ANS?

It is the main integration center of the ANS; "the boss" of the ANS.

Which statement explains why the predicated vital capacity varies with height?

Lung volume increases as height increases.

How does age affect lung capacity?

Lungs lose elasticity with age, reducing lung volume.

What is the purpose of the aqueous humor?

Nourishes the anterior eye tissues

Recall from the video the procedure to auscultate (listen to) heart sounds. Which of the following is NOT part of auscultating normal first and second heart sounds?

Position the earpieces so they are angled backward in the ears.

Determine whether the following tests were positive or negative for the indicated substances on the pictured combination dipstick.

Positive: Protein Ketone Leukocyte Negative: Glucose Blood

Which structure is filled with vitreous humor?

Posterior cavity

Which of the following valve closings can be auscultated during the "dupp" heart sound by placing the stethoscope at the left sternal border of the second intercostal space?

Pulmonary semilunar

Which of the following ECG components decreases in length during exercise?

Q-T interval

Identify the structure labeled "a."

Sclera

Identify the structure labeled "a."

Suspensory ligaments

Many athletes will use the dietary supplement creatine phosphate to enhance their performance. When metabolized, the creatine phosphate is broken down to creatine and absorbed into the blood. What effect will this increase in creatine have on the kidneys?

The kidneys will increase their workload as they must excrete the excess creatine.

Identify the highlighted structure.

adrenal gland

Which structure is highlighted?

basilar membrane

When blood pH falls, which of the following is produced by the carbonic acid-bicarbonate ion buffer system to compensate for the changing pH?

carbonic acid

Which structure is highlighted?

ciliary body

What follows immediately after fertilization occurs?

cleavage

Which structure is highlighted?

cochlear nerve

The highlighted structure plays the major role in ___.

controlling the shape of the lens

What do the umbilical arteries transport?

deoxygenated blood away from the fetal heart

Identify the highlighted structure.

dorsal root ganglia

Which of the following fetal vascular shunts bypasses the liver?

ductus venosus

Identify the highlighted structure.

facial nerve

Which structure is highlighted?

fungiform papillae

Name this extrinsic eye muscle.

inferior rectus muscle

Which of the following is true about the process above?

intrapleural pressure decreases

Which structure is highlighted?

lens

Will this blood transfusion result in a transfusion reaction?

no The recipient has no antibodies in his or her plasma and the donor has no antigens, so there can be no agglutination or transfusion reaction.

Identify the highlighted structure.

oculomotor nerve

Which structure is highlighted?

pharyngotympanic tube

Estrogens from the vesicular follicle trigger an LH surge from the anterior pituitary. This is an example of:

positive feedback

The highlighted structure plays what role in the parasympathetic nervous system?

pupil constriction

How does the highlighted structure contribute to autonomic functions?

stimulates secretions of the lacrimal gland and the submandibular and sublingual salivary glands

Which structure is highlighted?

superior oblique muscle

Which structure is highlighted?

superior rectus muscle

The glomerular filtration rate is defined as:

the amount of filtrate formed by both kidneys in one minute.

During the common pathway, what turns fibrinogen into fibrin?

thrombin

A female will express the trait for an X-linked disorder only if she is homozygous for the recessive allele.

true

Identify the highlighted structure.

vagus nerve

The most abundant component of plasma is:

water

Identify the structure labeled "g."

Ciliary body

What structure produces the fluid found in the anterior chamber?

Ciliary body

Identify the structure labeled "f."

Cornea

If the rate of atrial depolarization was normal while the rate of ventricular depolarization was slower than normal, where would you expect to find a dysfunction in the electrical conduction pathway of the heart?

Atrioventricular bundle

Using the image below, identify the specific gravity of the sample in the urinometer.

1.017

What fluid is found in the anterior chamber?

Aqueous

Explain why filtration is a passive process in the renal corpuscle.

The size of the filtration slits and fenestrations is constant.

How would respiratory volume measurements change after strenuous exercise?

Tidal volume (TV) increases.

Identify the structure labeled "k."

Vitreous humor


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