BIO 251 EXAM 1 COMPREHENSIVE TEST PREP | UPDATED FOR
2025–2026
A structure that is composed of two or more tissue types that work together to perform specific
functions for the body is an ___________. - correct answer -Organ
The anatomical position is characterized by all of the following except ________.
A) Arms at side
B) Body erect
C) Palms turned posteriorly
D) Thumbs pointed laterally - correct answer -C) Palms turned posteriorly
A good example if a positive feedback mechanism would be _________. - correct answer -
Enhancement of labor contractions
Which of the following describes a parasagittal plane?
A) A transverse cut just above the knees
B) Any sagittal plane except the midline
C) Two cuts dividing the body into left and right halves
D) Any cut dividing the body into anterior and posterior portions - correct answer -B) Any
sagittal plane except the midline
Which of the following organs or structures would be found in the left iliac region?
A) Stomach
, B) Liver
C) Appendix
D) Intestines - correct answer -D) Intestines
Which one of the following systems responds fastest to environmental stimuli?
A) Immune
B) Nervous
C) Lymphatic
D) Muscular - correct answer -B) Nervous
In which body cavities are the lungs located? - correct answer -Pleural, ventral, and thoracic
Place the following in correct sequence from simplest to most complex:
1. molecules
2. atoms
3. tissues
4. cells
5. organs - correct answer -2-1-4-3-5
In which quadrant of the abdominopelvic cavity is the stomach located? - correct answer -Left
upper quadrant
The term pollex refers to the _______. - correct answer -Thumb
What is a vertical section through the body, dividing it into anterior and posterior regions
called? - correct answer -Frontal
2025–2026
A structure that is composed of two or more tissue types that work together to perform specific
functions for the body is an ___________. - correct answer -Organ
The anatomical position is characterized by all of the following except ________.
A) Arms at side
B) Body erect
C) Palms turned posteriorly
D) Thumbs pointed laterally - correct answer -C) Palms turned posteriorly
A good example if a positive feedback mechanism would be _________. - correct answer -
Enhancement of labor contractions
Which of the following describes a parasagittal plane?
A) A transverse cut just above the knees
B) Any sagittal plane except the midline
C) Two cuts dividing the body into left and right halves
D) Any cut dividing the body into anterior and posterior portions - correct answer -B) Any
sagittal plane except the midline
Which of the following organs or structures would be found in the left iliac region?
A) Stomach
, B) Liver
C) Appendix
D) Intestines - correct answer -D) Intestines
Which one of the following systems responds fastest to environmental stimuli?
A) Immune
B) Nervous
C) Lymphatic
D) Muscular - correct answer -B) Nervous
In which body cavities are the lungs located? - correct answer -Pleural, ventral, and thoracic
Place the following in correct sequence from simplest to most complex:
1. molecules
2. atoms
3. tissues
4. cells
5. organs - correct answer -2-1-4-3-5
In which quadrant of the abdominopelvic cavity is the stomach located? - correct answer -Left
upper quadrant
The term pollex refers to the _______. - correct answer -Thumb
What is a vertical section through the body, dividing it into anterior and posterior regions
called? - correct answer -Frontal
