BIO 203 Purdue Final 2025/2026 Exam
Questions and Correct Answers | New
Update
autonomic (visceral) reflex - 🧠 ANSWER ✔✔1 receptor
2 sensory afferent neuron
3 one or more interneurons
4 preganglionic motor neuron
5 postganglionic motor neuron
6 effector
2 systems that determine blood pressure - 🧠 ANSWER ✔✔sympathetic
nervous system
RAA system
,4 causes of edema - 🧠 ANSWER ✔✔1. low plasma protein osmotic
pressure (liver disease, protein malnutrition)
2. high venous pressure (gen or pulmonary edema standing motionless,
failing heart)
3. elevated protein osmotic pressure (leakage of protein into interstitial fluid
-- allergies, insect bite, inflammation)
4. blocked lymphatics (surgery, tumor, filariasis_
What is edema - 🧠 ANSWER ✔✔Swell of tissue (accumulate in interstitial
fluid)
Factors that determine blood pressure - 🧠 ANSWER ✔✔cardiac output,
total peripheral resistance,
capacity of the venous system,
volume of fluid in the circulatory system
Vasodilators - 🧠 ANSWER ✔✔nitric oxide and histamine
Vasoconstrictors - 🧠 ANSWER ✔✔NE, E
Angiotensin II
, Vasopressin
Endothelin
Vestibular apparatus - 🧠 ANSWER ✔✔utricle, saccule, semicircular canals
Utricle - 🧠 ANSWER ✔✔head tilt, horizontal accel/decel
Saccule - 🧠 ANSWER ✔✔vertical accel and decel
Cataract - 🧠 ANSWER ✔✔-lens loses transparency and becomes opaque
-caused from UV, chemical agents or infrared radiation
-if vision is lost, it can be removed and replaced with artificial lens
Astigmatism - 🧠 ANSWER ✔✔irregular curve of cornea
-horizontal lines are blurred
-cyclindrical lens can correct the problem
Myopia - 🧠 ANSWER ✔✔nearsightedness
-eye is too long
- light waves in front of retina
-concave lens (decrease power of eye)
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
Questions and Correct Answers | New
Update
autonomic (visceral) reflex - 🧠 ANSWER ✔✔1 receptor
2 sensory afferent neuron
3 one or more interneurons
4 preganglionic motor neuron
5 postganglionic motor neuron
6 effector
2 systems that determine blood pressure - 🧠 ANSWER ✔✔sympathetic
nervous system
RAA system
,4 causes of edema - 🧠 ANSWER ✔✔1. low plasma protein osmotic
pressure (liver disease, protein malnutrition)
2. high venous pressure (gen or pulmonary edema standing motionless,
failing heart)
3. elevated protein osmotic pressure (leakage of protein into interstitial fluid
-- allergies, insect bite, inflammation)
4. blocked lymphatics (surgery, tumor, filariasis_
What is edema - 🧠 ANSWER ✔✔Swell of tissue (accumulate in interstitial
fluid)
Factors that determine blood pressure - 🧠 ANSWER ✔✔cardiac output,
total peripheral resistance,
capacity of the venous system,
volume of fluid in the circulatory system
Vasodilators - 🧠 ANSWER ✔✔nitric oxide and histamine
Vasoconstrictors - 🧠 ANSWER ✔✔NE, E
Angiotensin II
, Vasopressin
Endothelin
Vestibular apparatus - 🧠 ANSWER ✔✔utricle, saccule, semicircular canals
Utricle - 🧠 ANSWER ✔✔head tilt, horizontal accel/decel
Saccule - 🧠 ANSWER ✔✔vertical accel and decel
Cataract - 🧠 ANSWER ✔✔-lens loses transparency and becomes opaque
-caused from UV, chemical agents or infrared radiation
-if vision is lost, it can be removed and replaced with artificial lens
Astigmatism - 🧠 ANSWER ✔✔irregular curve of cornea
-horizontal lines are blurred
-cyclindrical lens can correct the problem
Myopia - 🧠 ANSWER ✔✔nearsightedness
-eye is too long
- light waves in front of retina
-concave lens (decrease power of eye)
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
