BIO 253 - FINAL UPDATED ACTUAL EXAM QUESTIONS
AND CORRECT ANSWERS
Question 1.
Negative feedback
ANSWER
- Most common in body - Effectors return conditions to normal - Shuts off when normal state is
reached, counters/corrects something - Long-lived - Think furnace thermostat - BP, glucose, temp,
hormones
Question 2.
Positive feedback
ANSWER
- Change is intensified, keeps stimulating until homeostasis is reached - Can produce unstable
conditions in the beginning - Short-lived - Labor, blood clotting, sneezing
Question 3.
Anatomical position
ANSWER
To stand erect facing forward with arms at the sides and palms of the hands turned forward with feet
flat on the floor
Question 4.
Anterior/Ventral
ANSWER
Front
Question 5.
Posterior/Dorsal
ANSWER
Back
Question 6.
Superior
ANSWER
Top
1
,Question 7.
Inferior
ANSWER
Bottom
Question 8.
Medial
ANSWER
Middle
Question 9.
Lateral
ANSWER
Away from the midline
Question 10.
Bilateral
ANSWER
Both sides
Question 11.
Ipsilateral
ANSWER
Same side
Question 12.
Contralateral
ANSWER
Opposite side
Question 13.
Proximal
ANSWER
Closer to the point of attachment
2
,Question 14.
Superficial
ANSWER
Near the surface
Question 15.
Deep
ANSWER
Away from the surface
Question 16.
Sagittal plane
ANSWER
Divides body into left and right
Question 17.
Transverse plane
ANSWER
Divides body into top and bottom
Question 18.
Coronal plane
ANSWER
Divides body into front and back
Question 19.
Abdominal regions: both upper right and left
ANSWER
Hypochondriac
Question 20.
Abdominal regions: upper middle
ANSWER
Epigastric
3
, Question 21.
Abdominal regions: middle right and left
ANSWER
Lateral
Question 22.
Abdominal regions: middle
ANSWER
Umbilical
Question 23.
Abdominal regions: lower right and left
ANSWER
Inguinal
Question 24.
Abdominal regions: lower middle
ANSWER
Pelvic - Loses electron to become stable
Question 25.
Anion
ANSWER
- Negatively charged - Gains electron to become stable
Question 26.
Ionic bond
ANSWER
- Strong - Will lose or gain electrons - Salt
Question 27.
Covalent bond
ANSWER
- Strong - Shares electrons - Polar, nonpolar - Gases, H2O
4
AND CORRECT ANSWERS
Question 1.
Negative feedback
ANSWER
- Most common in body - Effectors return conditions to normal - Shuts off when normal state is
reached, counters/corrects something - Long-lived - Think furnace thermostat - BP, glucose, temp,
hormones
Question 2.
Positive feedback
ANSWER
- Change is intensified, keeps stimulating until homeostasis is reached - Can produce unstable
conditions in the beginning - Short-lived - Labor, blood clotting, sneezing
Question 3.
Anatomical position
ANSWER
To stand erect facing forward with arms at the sides and palms of the hands turned forward with feet
flat on the floor
Question 4.
Anterior/Ventral
ANSWER
Front
Question 5.
Posterior/Dorsal
ANSWER
Back
Question 6.
Superior
ANSWER
Top
1
,Question 7.
Inferior
ANSWER
Bottom
Question 8.
Medial
ANSWER
Middle
Question 9.
Lateral
ANSWER
Away from the midline
Question 10.
Bilateral
ANSWER
Both sides
Question 11.
Ipsilateral
ANSWER
Same side
Question 12.
Contralateral
ANSWER
Opposite side
Question 13.
Proximal
ANSWER
Closer to the point of attachment
2
,Question 14.
Superficial
ANSWER
Near the surface
Question 15.
Deep
ANSWER
Away from the surface
Question 16.
Sagittal plane
ANSWER
Divides body into left and right
Question 17.
Transverse plane
ANSWER
Divides body into top and bottom
Question 18.
Coronal plane
ANSWER
Divides body into front and back
Question 19.
Abdominal regions: both upper right and left
ANSWER
Hypochondriac
Question 20.
Abdominal regions: upper middle
ANSWER
Epigastric
3
, Question 21.
Abdominal regions: middle right and left
ANSWER
Lateral
Question 22.
Abdominal regions: middle
ANSWER
Umbilical
Question 23.
Abdominal regions: lower right and left
ANSWER
Inguinal
Question 24.
Abdominal regions: lower middle
ANSWER
Pelvic - Loses electron to become stable
Question 25.
Anion
ANSWER
- Negatively charged - Gains electron to become stable
Question 26.
Ionic bond
ANSWER
- Strong - Will lose or gain electrons - Salt
Question 27.
Covalent bond
ANSWER
- Strong - Shares electrons - Polar, nonpolar - Gases, H2O
4
