A&P Chapter 7 HW Questions

Which fontanelle of the infant skull is often referred to as the "soft spot" on newborns?

anterior

True (vertebrosternal) ribs _______.

are directly attached to the sternum by separate costal cartilages

False (vertebrochondral) ribs _______.

are not directly attached to the sternum

The nasal conchae __________.

assist in respiration and olfaction

An infant born with a significantly smaller head than normal suffers from __________.

Microcephaly

What part of the sternum articulates with rib pairs 2-7?

body

Floating (vertebral) ribs _______.

have no connection with the sternum, and are only attached to the vertebrae

Which bone supports the larynx superiorly?

hyoid

Which opening (hole) is located above the eye socket?

supraorbital foramen

Which bone contains the mastoid process, styloid process, and external acoustic meatus?

temporal bone

Which of the following statements about the paranasal sinuses is true?

They are lined with a ciliated epithelium, they make the skull bones lighter, they connect to the nasal cavities (ALL ARE TRUE)

Which of these statements about the true ribs is false?

They don't move during respiration

Which of these organs does the sacrum not protect? a) urinary bladder b) uterus c) colon d) kidney

colon

Prominent markings on the skull include the __________ sutures.

coronal and sagittal

Which bone of the axial skeleton protects the brain? a) auditory ossicles b) cranium c) ribs d) facial bones

cranium

Which of the following statements about the coccygeal spinal region is NOT true? a) it is the most caudal vertebral region b) it is less flexible in women c) fusion begins around age 26 d) it anchors a muscle that contracts the anal opening

it is less flexible in women

Which of the following bones is NOT found within the nasal cavity? a) ethmoid bone b) lacrimal bone c) inferior nasal concha d) vomer bone

lacrimal bone

The articulation between the parietal and occipital bones is the _______ suture.

lambdoid

Which suture connects the parietal bone to the occipital bone?

lambdoid suture

Which facial bone supports the upper teeth?

maxillary bones

The axial skeleton provides an extensive surface area for the attachment of muscles that __________.

move the head, perform respiration, position of the appendicular skeleton (ALL OF THE ABOVE)

Which of the following bones is NOT part of the axial skeleton? a)sternum b)vertebrae c)patella d)hyoid

patella

Which structure does the sella turcica support?

pituitary gland

The two spinal curves present at birth are called __________ curves.

primary

Which of the following bones is NOT part of the vertebral column? a) ribs b) coccyx c) vertebrae d) sacrum

ribs

Which suture separates the right and left parietal bones?

sagittal suture

Which of these bones is not part of the orbital complex?

vomer

Which bone forms the lower part of the bony nasal septum?

vomer bone